Yarn-winding machine



(No Model.) 2 Sheets-'Sheet 1.

J. W. FOSTER. YARN WINDING MACHINE.

No.'435,560. Patented Sept. 2, 1890.

(No Model.) 2 SheetsSheet 2.

J-. W. FOSTER. YARN WINDING MAGHINB.

No. 435,560. I Patented Sept. 2, 1890.

b D R R Q 419.12; "3 e a P4 QQ '6 R R I Q R E E e Q 3 wwt/assas. IWzyWZbr $ig a w B which receive the bands B extended over UNITED STATES PATENT OFFICE.

JOHN W. FOSTER, OF FALL RIVER, MASSACHUSETTS.

YARN-WINDING MACHINE.

SPECIFICATION forming part of Letters Patent No. 435,560, dated September 2, 1890.

Application filed October 22, 1889.

To all whom it may concern.-

Be it known that 1, JOHN W. FOSTER, of Fall River, county of Bristol, State of Massachusetts, have invented an Improvement in Yarn-Winding Machines, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

Thisinvention has for its object to improve the construction of machines for winding yarn onto bobbins, spools, 8m.

One part of my invention consists, essentially, in novel means for actuating the traverse mot-ion.

Figure 1 represents in side elevation asufficient portion of a winding-machine to enable my invention to be understood, part of the machine being broken away to save space on the drawings. Fig. 2 is asection in the line as, Fig. 1; and Figs. 3 and 4 are sections in the lines as and 02 Fig. 1.

The frame A, of any usual shape to sustain the working parts, has bearings for the main shaft B, driven by power in any usual way, and has, as shown, a sprocket-wheel B, which by chain B extended over a wheel B rotates the shaft 13, provided with the belt-pulleys the pulleys 13, fast on the shaft B of the drums B on which rest the bobbins or spools to be wound. These parts are and may be all as usual.

The parts for holding and rotating the bobbin 0 are and may be all as in United States Patent No. 401,831, granted to me June 11, 1889, for rotating the spools, with the exception that the surface of the drum herein shown is conical to accord with the surface of the barrel of the bobbin.

The main shaft B has two projections a I), (see Figs. 3and 4,) made as collars, the said projections being diametrically opposite each other, or at opposite sides of the center of the said shaft. I

The rock-shaft D, supported in suitable bearings D, has an arm D slotted at D the said slot receiving in it a roller-stud D at the upper end of a link D which at its lower end embraces a crank-pin D connected to a plate D connected 'to or made to form part of a Serial No.32'7,782. (No model.)

gear D ,mounted on a stud 10. (Shown by dotted lines in Fig. 2.)

The gear D is engaged and rotated by a gear D fast on the pulley-shaft B and as the gear D is rotated a roller or other stud 12 at the upper end of the link (see Fig. 1) in the heart-cam groove E of the cam-plate E is made to travel in the said. groove from one to the other end, so that the roller or other stud D in the slot of the arm D causes the rock-shaft D to be turned.

The rock-shaft D has upwardly-extended arms (1, provided each with a suitable stud or projection to enter or engage ears, as d, of carriages d to which are joined the opposite ends of a bar 01 having a series of guideeyes (1 The carriages, bar, and guide-eyes constitute the traverse-bar, and as the said bar is reciprocated in the guideways d attached to the frame ends, the guide-eye containing the thread is made to travel from one to the other end of the bobbin as the roller B is rotated.

The shape of the cam-groove E is such that the traverse-bar has a rather quick motion, so as to wind the thread in a rather long spiral.

To carry the stud 12 from one side of the point of the heartecam groove well over to the other side of the point from the position shown in Fig. 2, I have provided the rockshaft D with an arm a and with a segmentgear I), which latter is engaged by a toothed sector 19 having an arm which is at'times in the range of movement of the projection 12.

In practice the shaft B is made to rotate twice while the driving-shaft B is rotated once, and the shaft B carrying the drum B is rotated twice while the shaft B is rotated once, and the traverse-bar reciprocated by the lever D actuated by the shaft 13, is made to go back and forth for a sufficient distance to enable the yarn to be laid from one to the other end of the bobbin and back again while the drum B, on which the bobbin rests, rotates four times.

The slowest motion of the traverse-bar is while the roller or. other stud 12 is at the point of the heart-cam, as in Fig. 2, and at this position of the parts, as shown in Figs.

1 and 4, the projection 11 strikes the arm of the sector 6 and through the segment-gear b turns the rock-shaft D for a slight distance, just sufficient to cause the arm D acting on the roller-stud D, to move the upper end of the link D laterally 'far enough to carry the stud 12 past the point of the heart-cam groove, the arm D for an instantbecoming the mover of the link D; but as soon as the stud 12 passes the point of the heart-cam groove the crank-pin D in its further rotation moves the stud into the steeper part of the camgroove and thereafter the stud D acts as the motor for the rock-shaft D and turns it, while the stud 12, having been thrown across the point of the heart-cam groove, travels up to the left-hand end of the groove shown in Fig. 2 and back again to the point of the heart-cam groove, at which time the projection a, in the rotation of the shaft B, comes against the arm a and turns the rock-shaft D in the opposite direction, or in the direction of the arrow thereon, which causes the arm D to throw the upper end of the link D to the right from the position Fig. 2, and across the pointof the heart-cam.

In this my invention it will be seen that the irregular motion of the traverse-bar is controlled by a stationary cam rather than by a rotating cam, as heretofore common.

As a heart-cam is commonly employed to movethe traverse-bar,I have selected the name of heart-cam groove to designate the groove E.

I do not desire to limit my invention to the exact mechanism shown for throwing the stud 12 past thepoint of the cam, as instead I may employany other usual or equivalent devices capable of effecting such purpose.

The slowest speed of the traverse-bar due to the link and crank-pin is when the stud 12 is at the center of the heart-cam groove, the speed being faster as the said stud travels in the said groove at opposite sides of the said center; but it will be understood that the motion given to the stud as it arrives at the center of theheart-cam groove is accelerated by the action of the projections a and b, as described.

I have shown but one set of drums, bobbins, and traverse wires; but the same may be duplicated at the opposite side of the machine, as in my patent No. 404,831.

I claim- 1. The traverse-bar, the rock-shaft having arms to move said traverse-bar, and an arm D and a cam-plate having a cam-groove combined with a link in engagement with both the said cam-plate and the said arm, and means for actuating the link, to operate substantially as described.

2. The traversebar, the rock-shaft .having arms to move thetraverse-bar and having an arm D the cam-plate havinga groove, a rotating crank-pin, a link actuated thereby and engaging at its opposite end the said arm D and the said cam-groove, combined with means to give to the said rock-shaft an independent and quicker movement as the upper end of the link, in its movements derived from the crank-pin, arrives at the central part of the said camgroove, substantially asdcscribed.

3. The shaft B, having the projections a I), the shaft B gearing between the said shaft-s, the gears D D the link D actuated from the said gears and having studs D and 12, the cam-plate having the cam-groove, the traverse-bar, the rock-shaft D, having arms to move the traverse-bar and an arm D and having an arm a and a segment-gear b, combined with the sector W, to operate substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JOHN W. FOSTER. Witnesses:

HENRY II. SHERMAN, HENRY IIEARL. 

